Mechanical arm for supporting a dental instrument holder



FIG. 1 is a top perspective view of a mechanical arm for supporting a dental instrument holder showing our new design and the broken lines are shown for illustrative purposes only;

FIG. 2 is a bottom perspective view of the mechanical arm for supporting a dental instrument holder showing our design;

FIG. 3 is a bottom plan view of the mechanical arm for supporting a dental instrument holder;

FIG. 4 is a top plan view of the mechanical arm for supporting a dental instrument holder;

FIG. 5 is a right-side elevational view of the mechanical arm for supporting a dental instrument holder;

FIG. 6 is a left-side elevational view of the mechanical arm for supporting a dental instrument holder;

FIG. 7 is a rear elevational view of the system; and,

FIG. 8 is a front elevational view of the mechanical arm for supporting a dental instrument holder. 

The ornamental design for a mechanical arm for supporting a dental instrument holder, as shown. 